//Example 1c – 7-Segment Displays using Function calls
void main(void) {
PLL_init(); // set system clock frequency to 24 MHz
led_disable(); // disable leds
seg7_enable(); // enable 7-segment displays
seg7_on(0x55,2); // turn on every other segment on digit 2
for(;;) {} /* wait forever */
}
static void *blink_led(void)
{
while (run) {
led_enable();
usleep(200000);
led_disable();
usleep(200000);
}
pthread_exit(0);
}
void main(void) {
const char digits[] = {1,2,3,4};
int i;
seg7_enable(); // enable 7-segment display
led_disable(); // disable LEDs
while(1){
for (i = 0; i < 4; i++) {
seg7dec(digits[i],i);
ms_delay(5);
}
}
}
/**
* Called when the system hits a non-recoverable error. Ensure to use
* the correct PANIC_CAUSE_* enum to help users inform us of the issue.
*/
void panic(const enum panic_cause cause)
{
taskDISABLE_INTERRUPTS();
led_enable(LED_ERROR);
for(;;) {
led_enable(LED_GPS);
led_enable(LED_LOGGER);
delay_seconds(FLASH_PAUSE_DELAY_S);
led_disable(LED_GPS);
led_disable(LED_LOGGER);
delay_seconds(FLASH_DELAY_S);
for (int c = 0; c < cause; ++c) {
led_enable(LED_GPS);
led_enable(LED_LOGGER);
delay_seconds(FLASH_DELAY_S);
led_disable(LED_GPS);
led_disable(LED_LOGGER);
delay_seconds(FLASH_DELAY_S);
}
}
}
static void flashGpsStatusLed(enum GpsSignalQuality gpsQuality)
{
if (g_flashCount == 0)
led_disable(LED_GPS);
g_flashCount++;
const int targetFlashCount = isGpsSignalUsable(gpsQuality) ?
GPS_LOCK_FLASH_COUNT : GPS_NOFIX_FLASH_COUNT;
if (g_flashCount >= targetFlashCount) {
led_enable(LED_GPS);
g_flashCount = 0;
}
}
/**
* Called when the system hits a non-recoverable error. Ensure to use
* the correct PANIC_CAUSE_* enum to help users inform us of the issue.
*/
void panic(const enum panic_cause cause)
{
taskDISABLE_INTERRUPTS();
led_device_set_all(false);
led_enable(LED_ERROR);
for(;;) {
led_enable(LED_GPS);
led_enable(LED_LOGGER);
cpu_device_spin(FLASH_PAUSE_DELAY_MS);
led_disable(LED_GPS);
led_disable(LED_LOGGER);
cpu_device_spin(FLASH_DELAY_MS);
for (int c = 0; c < cause - 1; ++c) {
led_enable(LED_GPS);
led_enable(LED_LOGGER);
cpu_device_spin(FLASH_DELAY_MS);
led_disable(LED_GPS);
led_disable(LED_LOGGER);
cpu_device_spin(FLASH_DELAY_MS);
}
}
}
